/*
 * Created on 1 Nov 2006
 * Created by Paul Gardner
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

package org.gudy.azureus2.pluginsimpl.local.peers;

import java.io.IOException;
import java.net.InetSocketAddress;

import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.core3.util.SystemTime;
import org.gudy.azureus2.plugins.peers.Peer;

import com.aelitis.azureus.core.networkmanager.ConnectionEndpoint;
import com.aelitis.azureus.core.networkmanager.EventWaiter;
import com.aelitis.azureus.core.networkmanager.IncomingMessageQueue;
import com.aelitis.azureus.core.networkmanager.NetworkConnectionHelper;
import com.aelitis.azureus.core.networkmanager.NetworkManager;
import com.aelitis.azureus.core.networkmanager.OutgoingMessageQueue;
import com.aelitis.azureus.core.networkmanager.Transport;
import com.aelitis.azureus.core.networkmanager.TransportBase;
import com.aelitis.azureus.core.peermanager.messaging.Message;
import com.aelitis.azureus.core.peermanager.messaging.MessageStreamDecoder;
import com.aelitis.azureus.core.peermanager.messaging.MessageStreamEncoder;

public class PeerForeignNetworkConnection extends NetworkConnectionHelper {
    private Peer peer;

    private OutgoingMessageQueue outgoing_message_queue = new omq();
    private IncomingMessageQueue incoming_message_queue = new imq();

    private TransportBase transport_base = new tp();

    protected PeerForeignNetworkConnection(Peer _peer) {
        peer = _peer;
    }

    public ConnectionEndpoint getEndpoint() {
        // make up a vaguely usable endpoint

        return (new ConnectionEndpoint(new InetSocketAddress(peer.getIp(), peer.getPort())));
    }

    public void notifyOfException(Throwable error) {
        Debug.printStackTrace(error);
    }

    public OutgoingMessageQueue getOutgoingMessageQueue() {
        return (outgoing_message_queue);
    }

    public IncomingMessageQueue getIncomingMessageQueue() {
        return (incoming_message_queue);
    }

    public TransportBase getTransportBase() {
        return (transport_base);
    }

    public int getMssSize() {
        return (NetworkManager.getMinMssSize());
    }

    public boolean isIncoming() {
        return false;
    }

    public boolean isLANLocal() {
        return (false);
    }

    public String getString() {
        String peer_str = peer.getClass().getName();

        int pos = peer_str.lastIndexOf('.');

        if (pos != -1) {

            peer_str = peer_str.substring(pos + 1);
        }

        peer_str += " " + peer.getIp() + ":" + peer.getPort();

        return ("peer=" + peer_str + ",in=" + incoming_message_queue.getPercentDoneOfCurrentMessage() + ",out=" + outgoing_message_queue
                .getTotalSize());
    }

    protected class tp implements TransportBase {
        private long last_ready_for_read = SystemTime.getSteppedMonotonousTime();

        public boolean isReadyForWrite(EventWaiter waiter) {
            return (false);
        }

        public long isReadyForRead(EventWaiter waiter) {
            long now = SystemTime.getSteppedMonotonousTime();

            if (peer.isTransferAvailable()) {

                last_ready_for_read = now;

                return (0);
            }

            long diff = now - last_ready_for_read + 1; // make sure > 0

            return (diff);
        }

        public boolean isTCP() {
            // we don't know (or care?)

            return (false);
        }

        public String getDescription() {
            return ("Peer transport delegate");
        }
    }

    protected class imq implements IncomingMessageQueue {
        public void setDecoder(MessageStreamDecoder new_stream_decoder) {
        }

        public MessageStreamDecoder getDecoder() {
            throw (new RuntimeException("Not imp"));
        }

        public int getPercentDoneOfCurrentMessage() {
            return (0);
        }

        public int receiveFromTransport(int max_bytes) throws IOException {
            return (peer.readBytes(max_bytes));
        }

        public void notifyOfExternallyReceivedMessage(Message message) {
        }

        public void resumeQueueProcessing() {
        }

        public void registerQueueListener(MessageQueueListener listener) {
        }

        public void cancelQueueListener(MessageQueueListener listener) {
        }

        public void destroy() {
        }

    }

    protected class omq implements OutgoingMessageQueue {
        public void setTransport(Transport _transport) {
        }

        public int getMssSize() {
            return (PeerForeignNetworkConnection.this.getMssSize());
        }

        public void setEncoder(MessageStreamEncoder stream_encoder) {
        }

        public MessageStreamEncoder getEncoder() {
            throw (new RuntimeException("Not imp"));
        }

        public int getPercentDoneOfCurrentMessage() {
            return (0);
        }

        public void destroy() {
        }

        public void flush() {
        }

        public boolean isDestroyed() {
            return false;
        }

        public int getTotalSize() {
            return (0);
        }

        public int getDataQueuedBytes() {
            return (0);
        }

        public int getProtocolQueuedBytes() {
            return (0);
        }

        public boolean getPriorityBoost() {
            return (false);
        }

        public void setPriorityBoost(boolean boost) {
        }

        public boolean isBlocked() {
            return (false);
        }

        public boolean hasUrgentMessage() {
            return (false);
        }

        public void addMessage(Message message, boolean manual_listener_notify) {
            throw (new RuntimeException("Not imp"));
        }

        public void removeMessagesOfType(Message[] message_types, boolean manual_listener_notify) {
            throw (new RuntimeException("Not imp"));
        }

        public boolean removeMessage(Message message, boolean manual_listener_notify) {
            throw (new RuntimeException("Not imp"));
        }

        public int deliverToTransport(int max_bytes, boolean manual_listener_notify)

        throws IOException {
            throw (new RuntimeException("Not imp"));
        }

        public void doListenerNotifications() {
        }

        public void setTrace(boolean on) {
        }

        public String getQueueTrace() {
            return ("");
        }

        public void registerQueueListener(MessageQueueListener listener) {
        }

        public void cancelQueueListener(MessageQueueListener listener) {
        }

        public void notifyOfExternallySentMessage(Message message) {
        }
    }
}
